Magnetic-tape cassette apparatus having very low azimuth error

Details Magnetic-tape cassette apparatus having very low azimuth error Magnetic-tape cassette apparatus having very low azimuth error

1982-04-12

1984-11-27

Wolff, John H.

Dynamic magnetic information storage or retrieval

Head

Head accessory

360109, G11B 1560, G11B 510

Patent

active

044854200

ABSTRACT:
A magnetic-tape cassette apparatus includes a magnetic head unit having a magnetic head with a head face and head gap defining a head gap plane. To each side of the head face, in the direction of tape transport, a tape guide is provided adjacent the head face and having a radius of curvature smaller than that of the head face. At one end of each tape guide a height limiter is arranged, having a limit surface facing the tape such that a line connecting the limit surfaces is perfectly perpendicular to the head gap plane. The apparatus includes a control member or surface for keeping a lateral edge of the tape constantly in contact with the limit surfaces during tape transport.

REFERENCES:
patent: 3882543 (1975-05-01), Richards
patent: 3893188 (1975-07-01), Shoemaker

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